/*

* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

*

*/

package com.nokia.mj.impl.rt;

/**

 * Interface for accessing configuration dependent system property extension

 * mechanism.

 */

interface DynamicProperty

{

    /**

     * Adds the defined system property containing all the system

     * properties. The value is set as is without any escaping.

     * The semanitc is equivalent to Hashtable.put() method.

     * @param key a key.

     * @param value a value.

     * @return the value before adding, null if this was the first add.

     * @throws NullPointerException if either key or value is null.

     */

    public Object setSystemProperty(Object key, Object value);

    /**

     * Adds the defined user property containing all the user

     * properties. This will not override any system properies.

     * The semanitc is equivalent to Hashtable.put() method.

     * @param key a key.

     * @param value a value.

     * @return the value before adding, null if this was the first add.

     * @throws NullPointerException if either key or value is null.

     */

    public Object setUserProperty(Object key, Object value);

}